Galactic Guidebook

Question 1

Look at the diagram. It shows four possible models of how we see the stars. Which is correct?

Accepted Answer

Model 2

Question 2

The Moon is a planet.

Accepted Answer

False

Question 3

The Moon orbits the Earth about once a month.

Accepted Answer

True

Question 4

The Earth is a sphere. Why don’t we fall off the Earth?

Accepted Answer

We are pulled toward the center of the Earth by the force of gravity.

Question 5

The Sun is too big to be a star.

Accepted Answer

false

Question 6

Though stars appear very small, they are actually very big.

Accepted Answer

True

Question 7

Ancient civilizations used star patterns to help decide when to plant crops.

Accepted Answer

True

Question 8

Why do some identical stars appear brighter than others?

Accepted Answer

Some stars are nearer to the Earth than others.

Question 9

Nights in the summer are longer than nights in the winter.

Accepted Answer

False

Question 10

Look at the diagram. Which shadow is the longest?

Accepted Answer

Position 1

Question 11

The Sun orbits the Earth once a day.

Accepted Answer

False

Question 12

A light-year is a measure of distance.

Accepted Answer

True

Question 13

Why can we only see the stars at night?

Accepted Answer

The light from the Sun is too bright in the daytime.

Question 14

Every day, the stick is placed in the same place. What would you see with the shadow?

Accepted Answer

Shadows longer when Sun is lower.

Question 15

Some animals use the stars to navigate their way around.

Accepted Answer

True

Question 16

The Sun is at the center of the Solar System. Which of the following best describes the Sun?

Accepted Answer

a star

Question 17

Some stars are closer to the Earth than others.

Accepted Answer

True

Question 18

The Moon orbits the Earth.

Accepted Answer

True

Question 19

The Moon is a very small, dim star.

Accepted Answer

False

Question 20

Why do shadow lengths change during the day?

Accepted Answer

The Earth is spinning on its axis.

Questions 20